Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 18338: 1. Find the value of C if 2xy-6x+7y+c is factorable
Click here to see answer by Earlsdon(6294)

Question 18386: at work, Jack must stuff 1000 envelopes w/ advertisements. He can stuff 12 envelopes in one minute, and he has 112 envelopes already finished. Solve 1000 = 12n + 112 to find how many minutes it will take jack to complete the task
Click here to see answer by piglet162431(90)

Question 18214: x/7=5 what does the variable equal?
Click here to see answer by MelanieBCC(40)

Question 18472: simplify
Click here to see answer by xcentaur(357)

Question 18470: how do you simplify
Click here to see answer by xcentaur(357)

Question 18585: im have trouble with this ? in the back of my grade 10 math book the answer is 1/6 here is the question
-3/y +6(4)=6
-3/y +24= 6 so i bring the 24 over it become a - now
= 6-24 =18
= -18
for the -3/y do i divide that into the -18, i thought when u bring it over to the other side i have to times it -3/y * -18

Click here to see answer by pwac(253)

Question 18653: HI, THANK YOU FOR YOUR HELP! MY SON IS IN ADVANCED MATH BUT HIS TEACHER IS A LITTLE IMPATIENT WITH THE CLASS SO HE'S NERVOUS AND CAN'T FOLLOW AS EASY AS HE'D LIKE. HE HAS SOME EQUATIONS AND THE TOPIC IS "REMOVING PARENTHESIS" AND SIMPLIFY EACH EXPRESSION: EXAMPLR 4X - (9 - 3X) PLEASE EXPLAIN HOW HE COMES BY THIS ANSWER?
Click here to see answer by Alwayscheerful(414)

Question 18645: what is the answer to -R=38
Click here to see answer by Alwayscheerful(414)

Question 18738: 2x+72=4x
Click here to see answer by pwac(253)

Question 18738: 2x+72=4x
Click here to see answer by Alwayscheerful(414)

Question 18767: 5(3x+5)=4x-8
Click here to see answer by Paul(988)

Question 18767: 5(3x+5)=4x-8
Click here to see answer by Alwayscheerful(414)

Question 18756: may i please get the answer to "a number decreased by 14 is -46."
Click here to see answer by Alwayscheerful(414)

Question 18812: 2x+72=4x
Click here to see answer by Alwayscheerful(414)

Question 18649: I am not sure on how to solve: 9-4r-7
I tried the equation this way: 9-4r-7
-9 -9
4r = 16
-- --
4 4
r = 4
But have been told that this is the wrong answer.
can you help me?
Click here to see answer by piglet162431(90)

Question 18840: what is answer for -5/2t=-3/5
Click here to see answer by xcentaur(357)

Question 18924: -10x+3=-3x+12-4x
I'm not sure where to start on this. I can usually (but definitely not always) get it if I can get started. Please help!!
The more help the better!!!
Click here to see answer by wuwei96815(245)

Question 18948: what is the solve for a+a+a=180 solve for a

x+(x+34)=90 solve for x

3(x-6)=2(x-9) solve for x
Click here to see answer by Paul(988)

Question 18945: seperate 43 people into two groups so that the first group is 5 less than three times the second.
I don't really know how to describe the criteria of this problem, but it surely has something to do with algebra.
Click here to see answer by Paul(988)

Question 18921: 2x-2=4x+6
Click here to see answer by piglet162431(90)

Question 18964: I am in the 9'th grade. My homework is asking stuff like. y=-2. and it wants me to draw it on a graph. and other ?'s say x=4 i dont know how to plot the points. please show me how.
Click here to see answer by Alwayscheerful(414)

Question 18923: -10x+3=-3x+12-4x
Click here to see answer by Alwayscheerful(414)

Question 18992: 10x+17=4x-1
Click here to see answer by Alwayscheerful(414)

Question 19001: How do you do this type of math step by step?
Click here to see answer by MelanieBCC(40)

Question 19096: I am having trouble solving the following problem. Please help.
seven thirds x = two thirds. It is a fraction equation.
Click here to see answer by wuwei96815(245)

Question 18926: w
- +7=2h+2
2
^that is supposed to be w over 2
I hate fractions, they confuse me soo much, getting started is usually where I get confused... THANKS!
Click here to see answer by MelanieBCC(40)

Question 19086: 2-5x=6-3x
Click here to see answer by jakegfan(4)

Question 19146: Could you show me how to do this problem thankyou
7x=6x-8
Click here to see answer by Alwayscheerful(414)

Question 19091: How do I solve two-step equations?
Click here to see answer by sukusu(21)

Question 19215: -10 = 8 - x/7
Click here to see answer by ashleygurl(2)

Question 19223: Please help with an answer. 2/3x-1/6=1/2x+5/6
Click here to see answer by thurston(8)

Question 19242: how can i solve y=3x+2 if the domain is (-2 , -1 , 0 , 2 , 5 )
Click here to see answer by venugopalramana(3286)

Question 19242: how can i solve y=3x+2 if the domain is (-2 , -1 , 0 , 2 , 5 )
Click here to see answer by sukusu(21)

Question 19347: Solve this equation and include steps showing your work:
sqrt(4x^2+x-3)=2x
Click here to see answer by xcentaur(357)

Question 19346: How can I simplify this equation to easily find the solutions for x and y to this equation:
x*y = (x+y)*(x+y-1)/4
Thanks
Click here to see answer by xcentaur(357)

Question 19342: Hi,
I need help finding the quotient of x^5+32/x+2
Thanks
Click here to see answer by xcentaur(357)

Question 19353: My daughter and I(parent) are having problems with her algebra. Solving Equations with the Variable on each side. Would please help with a few problems so that we may be able to understand a little better. She has to justify her answer.
1. 3/8 - 1/4t = 1/2t - 3/4
2. 20c + 5 = 5c + 65
3. 7 - 3r = r - 4(2+r)
Thank you for your help.
Click here to see answer by venugopalramana(3286)

Question 19383: x+2x+5=x+19 please help my daughter understand how to do this type of math she is 10 yrs old thank you
Click here to see answer by MILIAJEY(4)

Question 19450: 2x^3+7x^2-12x-45=0
Click here to see answer by khwang(438)

Question 19477: George went to Disneyland going 50MPH on the way there and 40MPH on the way back. It took George 7.2 hours roundtrip. How many miles did he go?
Click here to see answer by xcentaur(357)

Question 19405: An equation whose highest variable exponent is 1 is called a what?
Click here to see answer by xcentaur(357)

Question 19522: I am really suffering in this class.The problem is y=3x+6
y=2x+1 where do I begin to work this problem? I'm not sure of the steps.
x=
y=
Click here to see answer by Earlsdon(6294)

Question 19536: My daughter has just started pre-algebra has homework and did not get to bring home book and father was not sure if he was telling her right. The problem is 6d+d+15
Click here to see answer by MelanieBCC(40)

Question 19534: x + 8 + 4x = 28

Click here to see answer by MelanieBCC(40)

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